Inventor
ZOHN THOMAS J
US3 patents
Patents
3 patentsUS4501396AFeb 26, 1985
Video cassette time left gauge
MINNESOTA MINING & MFG35 citations84
US5031065AJul 9, 1991
Carrier with tape connector interlock for videocassette
MINNESOTA MINING & MFG19 citations71
US5165083ANov 17, 1992
Carrier locator apparatus for use with two piece videocassette
MINNESOTA MINING & MFG1 citations49